Ext.define('MyApp.view.SongDetail', {
    extend : 'Ext.Container',
    xtype  : 'myapp-songdetail',
    layout : 'vbox',
    config : {
        items : [
            {
                xtype : 'audio',
                url : 'http://st01.freesocialmusic.com/mp3/5b8cebebd55a0ec3d40079a3dc542925/4eee1c10/2011/12/19/1126073008/13242948386_8515.mp3'
            },
            {
                xtype : 'toolbar',
                dock : 'bottom',
                dockedItems: [
                    {
                        xtype : 'toolbar',
                        items : [
                            {
                                xtype: 'button',
                                text : 'Back',
                                ui: 'back',
                                handler: function(){
                                    console.log(viewport);
                                }
                            }
                        ]
                    }
                ]
            }
        ]
    }
});